26 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Etiology: • Vascular ... Disruptions in vascular ... Differential #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Hypersensitivity vasculitis ... Sarcoidosis #dermatology ... #joint #pain #skin ... differential #diagnosis #rheumatology
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... Avascular necrosis ... BrighamChiefs #Bone #Joint ... differential #diagnosis #causes ... #hematology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Renal Disease Vascular ... TeIangiectasia Vascular ... • Steroids • Vasculitis ... #Hematology
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Cardiovascular Causes ... Pulmonary HTN - Vasculitis ... syndrome Other Causes ... Transverse myelitis • Hematology ... Deconditioning - Pain
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Pain - Diagnostic ... Non-bloody: OA, avascular ... Like in this case ... #Joint #Pain #MSK ... #rheumatology #
THE LIMPING OR NON-WEIGHT BEARING CHILD PATHWAY

RED FLAGS - In all cases there are specific
markers which
FLAGS - In all cases ... splenomegaly, abnormal neurology ... , back pain Haematology ... cell disease Rheumatology ... discrepancy, multiple joint
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... surfaces of the joints ... burning sensation or pain ... Polyangiitis #GPA #dermatology ... rash #diagnosis #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Disruptions in vascular ... lesions • Severe pain ... • Abdominal ultrasound ... #dermatology #physicalexam
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
Causes of Eosinophilia ... - DRESS - AIN ... Asthma Tugs (vasculitis ... Differential #Diagnosis #Causes ... #hematology